EAB Infestation Map

Below is the current map of EAB infestation across North America. The most recent additions to the infestation map are British Columbia (May 2024) and North Dakota (August 2024). An up-to-date map is available on our website.

Recent News

EAB Confirmed in North Dakota

In August 2024, North Dakota became the 37th state to confirm the presence of the emerald ash borer, with detections near Edgeley in LaMoure County. Continue reading >

EAB Now Present in All 99 Iowa Counties

As of October 2024, the emerald ash borer has been detected in every county in Iowa, marking a significant statewide spread of the invasive pest. Continue reading >

Collaborative Efforts in Oregon

As of September 2024, local agencies in Oregon have united to tackle EAB infestations threatening Oregon ash trees, particularly in the Willamette Valley, following detections in multiple counties. Continue reading >

EAB's Impact on Wisconsin's Ash Trees

In December 2024, reports indicated that EAB continues to devastate ash trees across southern Wisconsin, with Dane County experiencing a 99% mortality rate among its ash population. Continue reading >

EAB Network Updates

EAB University

Our final EABU session of 2024 took place on December 12th, featuring Nate Siegert (US Forest Service, State, Private & Tribal Forestry, Forest Health Protection) with a presentation titled “Biological invasion by emerald ash borer threatens keystone species indelibly entwined with Indigenous cultures.” Recordings of this session, along with previous EABU talks, are available on the EABU webpage.

EABU sessions will return in March—stay tuned for the schedule!

EAB Network is on Bluesky!

Follow us on Bluesky as we share important news and updates in real time!

Welcome Sheila Babbitt to the team!

Sheila joined Michigan State University in October 2024 as the Communications Manager. With a focus on accessible communication and information sharing, she is dedicated to making research and resources widely available. In her free time, Sheila enjoys skiing, hiking, and exploring the outdoors.